Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 28315XS8 Oil Resistant Sole

Oil Resistant Sole

(1) 6AN O-ring Inlet

eliminating the need for backer washers

Y-Pipe Included

Pro-Flo 4 XT EFI Kit for 1986 & Earlier Small-Block Chevy Engines

Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 28315XS8 Oil Resistant SoleTest proven for 700 racing miles, High Endurance Valve Springs are wound from "Super Clean" chrome silicone wire. Perfect for Late Models, Modifieds and other applicatons running up to 8000 RPM. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To